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Measurement E151M3331

Experiment: EG4
Year: 2016

Experiment comment:

Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALU
εL: 0.0839
Q2: 0.0844 GeV2
W: 1595.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8622

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.55 126.0 -0.2993 0.2138 0.0306
0.55 270.0 0.0215 0.2591 0.03
0.55 282.0 0.2569 0.2528 0.0304
0.65 114.0 0.0351 0.2593 0.03
0.65 294.0 -0.1548 0.2421 0.0302
0.75 126.0 -0.4093 0.2414 0.0311
0.75 210.0 -0.536 0.2187 0.0319
0.75 234.0 0.1599 0.2369 0.0302
0.75 282.0 -0.2139 0.1993 0.0303
0.85 102.0 0.1271 0.206 0.0301
0.85 114.0 -0.2747 0.2325 0.0305
0.85 210.0 -0.0733 0.2225 0.03
0.85 222.0 -0.17 0.208 0.0302
0.85 234.0 0.0804 0.2142 0.03
0.95 234.0 -0.0327 0.2629 0.03
0.45 78.0 -0.0529 0.2316 0.03
0.45 270.0 0.5326 0.1982 0.0318
0.45 282.0 0.1424 0.2464 0.0301
0.55 114.0 -0.1181 0.234 0.0301
0.65 126.0 -0.0825 0.2367 0.03
0.65 138.0 -0.2931 0.2533 0.0306
0.65 222.0 0.0576 0.1982 0.03
0.65 294.0 0.1064 0.2427 0.0301
0.75 114.0 0.1171 0.2309 0.0301
0.75 126.0 0.0375 0.2228 0.03
0.75 222.0 0.309 0.2463 0.0306
0.75 234.0 0.033 0.2535 0.03
0.75 282.0 -0.0143 0.2085 0.03
0.75 294.0 -0.4067 0.2248 0.0311
0.85 90.0 0.1091 0.2587 0.0301
0.85 102.0 -0.1679 0.2222 0.0302
0.85 198.0 -0.1185 0.2218 0.0301
0.85 210.0 -0.3922 0.1879 0.031
0.85 222.0 -0.2499 0.1784 0.0304
0.85 234.0 -0.1948 0.2383 0.0303
0.85 246.0 0.0704 0.2245 0.03
0.95 246.0 -0.3203 0.2198 0.0307
Created in SINP MSU, CLAS Collaboration